Home / 13,817.53-20,723.38-4,458.43

Finding the Fourth Proportional to 13,817.53, 20,723.38 and 4,458.43

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Solution

The fourth proportional to 13,817.53, 20,723.38 and 4,458.43 is: 6,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.53 : 20,723.38 = 4,458.43 : x
  2. Step 2: Convert to fraction form
    13,817.53/20,723.38 = 4,458.43/x
  3. Step 3: Cross multiply
    13,817.53x = 20,723.38 × 4,458.43
  4. Step 4: Simplify right side
    13,817.53x = 92,393,739.09
  5. Step 5: Solve for x
    x = 92,393,739.09/13,817.53
  6. Step 6: Final answer
    x = 6,686.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.